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在北京市顺义区李桥镇顺沿特种蔬菜基地温室里,黄瓜秧不是扎根在土壤里,而是包裹在无纺布基质袋里,浸泡在白色泡沫营养槽中。北京市农技推广站蔬菜室高级农艺师王铁臣介绍说:“传统种植,土壤栽培所施的肥料容易流失和被土壤固定,植物吸收利用率不到一半,而复合无土栽培则可针对作物所需要的养分,进
Shunyi District, Beijing Shun Li Bridge along the special vegetable base greenhouse, cucumber seedlings are not rooted in the soil, but wrapped in a non-woven substrate bag, soaked in white foam nutrition tank. Wang Tienchen, senior agronomist at the Beijing Agricultural Science and Technology Extension Station, said: ”The traditional planting and soil fertilizers are easily lost and fixed by the soil, and the utilization rate of plants is less than 50%. Compound soilless cultivation can be applied to crops Needed nutrients, into